quiet zone
This commit is contained in:
parent
e54cf8a1bd
commit
f9cf52b7ea
166
Cargo.lock
generated
166
Cargo.lock
generated
@ -547,9 +547,9 @@ dependencies = [
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[[package]]
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name = "cc"
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version = "1.2.7"
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version = "1.2.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a012a0df96dd6d06ba9a1b29d6402d1a5d77c6befd2566afdc26e10603dc93d7"
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checksum = "ad0cf6e91fde44c773c6ee7ec6bba798504641a8bc2eb7e37a04ffbf4dfaa55a"
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dependencies = [
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"jobserver",
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"libc",
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@ -992,6 +992,16 @@ version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
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[[package]]
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name = "erased-serde"
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version = "0.4.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "24e2389d65ab4fab27dc2a5de7b191e1f6617d1f1c8855c0dc569c94a4cbb18d"
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dependencies = [
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"serde",
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"typeid",
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]
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[[package]]
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name = "errno"
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version = "0.3.10"
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@ -1566,6 +1576,12 @@ dependencies = [
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"hashbrown",
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]
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[[package]]
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name = "itoa"
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version = "1.0.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
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[[package]]
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name = "jni"
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version = "0.21.1"
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@ -1681,9 +1697,12 @@ dependencies = [
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[[package]]
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name = "log"
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version = "0.4.22"
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version = "0.4.24"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
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checksum = "3d6ea2a48c204030ee31a7d7fc72c93294c92fe87ecb1789881c9543516e1a0d"
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dependencies = [
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"value-bag",
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]
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[[package]]
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name = "malloc_buf"
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@ -2368,6 +2387,12 @@ dependencies = [
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"windows-sys 0.59.0",
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]
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[[package]]
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name = "ryu"
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version = "1.0.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
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[[package]]
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name = "same-file"
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version = "1.0.6"
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@ -2422,6 +2447,15 @@ dependencies = [
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"syn 2.0.96",
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]
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[[package]]
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name = "serde_fmt"
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version = "1.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e1d4ddca14104cd60529e8c7f7ba71a2c8acd8f7f5cfcdc2faf97eeb7c3010a4"
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dependencies = [
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"serde",
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]
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[[package]]
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name = "serde_repr"
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version = "0.1.19"
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@ -2561,6 +2595,84 @@ version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6637bab7722d379c8b41ba849228d680cc12d0a45ba1fa2b48f2a30577a06731"
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[[package]]
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name = "sval"
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version = "2.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f6dc0f9830c49db20e73273ffae9b5240f63c42e515af1da1fceefb69fceafd8"
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[[package]]
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name = "sval_buffer"
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version = "2.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "429922f7ad43c0ef8fd7309e14d750e38899e32eb7e8da656ea169dd28ee212f"
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dependencies = [
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"sval",
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"sval_ref",
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]
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[[package]]
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name = "sval_dynamic"
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version = "2.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "68f16ff5d839396c11a30019b659b0976348f3803db0626f736764c473b50ff4"
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dependencies = [
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"sval",
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]
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[[package]]
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name = "sval_fmt"
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version = "2.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c01c27a80b6151b0557f9ccbe89c11db571dc5f68113690c1e028d7e974bae94"
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dependencies = [
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"itoa",
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"ryu",
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"sval",
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]
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[[package]]
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name = "sval_json"
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version = "2.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0deef63c70da622b2a8069d8600cf4b05396459e665862e7bdb290fd6cf3f155"
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dependencies = [
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"itoa",
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"ryu",
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"sval",
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]
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[[package]]
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name = "sval_nested"
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version = "2.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a39ce5976ae1feb814c35d290cf7cf8cd4f045782fe1548d6bc32e21f6156e9f"
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dependencies = [
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"sval",
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"sval_buffer",
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"sval_ref",
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]
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[[package]]
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name = "sval_ref"
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version = "2.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bb7c6ee3751795a728bc9316a092023529ffea1783499afbc5c66f5fabebb1fa"
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dependencies = [
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"sval",
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]
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[[package]]
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name = "sval_serde"
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version = "2.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2a5572d0321b68109a343634e3a5d576bf131b82180c6c442dee06349dfc652a"
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dependencies = [
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"serde",
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"sval",
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"sval_nested",
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]
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[[package]]
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name = "syn"
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version = "1.0.109"
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@ -2735,6 +2847,12 @@ dependencies = [
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"rustc-hash",
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]
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[[package]]
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name = "typeid"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0e13db2e0ccd5e14a544e8a246ba2312cd25223f616442d7f2cb0e3db614236e"
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[[package]]
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name = "typenum"
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version = "1.17.0"
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@ -2799,6 +2917,42 @@ version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
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[[package]]
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name = "value-bag"
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version = "1.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3ef4c4aa54d5d05a279399bfa921ec387b7aba77caf7a682ae8d86785b8fdad2"
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dependencies = [
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"value-bag-serde1",
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"value-bag-sval2",
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]
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[[package]]
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name = "value-bag-serde1"
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version = "1.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4bb773bd36fd59c7ca6e336c94454d9c66386416734817927ac93d81cb3c5b0b"
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dependencies = [
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"erased-serde",
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"serde",
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"serde_fmt",
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]
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[[package]]
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name = "value-bag-sval2"
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version = "1.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "53a916a702cac43a88694c97657d449775667bcd14b70419441d05b7fea4a83a"
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dependencies = [
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"sval",
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"sval_buffer",
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"sval_dynamic",
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"sval_fmt",
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"sval_json",
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"sval_ref",
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"sval_serde",
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]
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[[package]]
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name = "version_check"
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version = "0.9.5"
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@ -3515,9 +3669,9 @@ dependencies = [
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[[package]]
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name = "winnow"
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version = "0.6.23"
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version = "0.6.24"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b129b5fb432e82eb9878736362d1f1710975adbdca1b9be5145470ae92a5d651"
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checksum = "c8d71a593cc5c42ad7876e2c1fda56f314f3754c084128833e64f1345ff8a03a"
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dependencies = [
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"memchr",
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]
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22
src/lib.rs
22
src/lib.rs
@ -9,12 +9,14 @@ enum CodeSrc<'a> {
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pub struct QrCodeWidget<'a> {
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code: CodeSrc<'a>,
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quiet_zone: f32,
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}
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impl<'a> QrCodeWidget<'a> {
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pub fn new(code: &'a QrCode) -> Self {
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QrCodeWidget {
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code: CodeSrc::Ref(code),
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quiet_zone: 1.,
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}
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}
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@ -22,31 +24,37 @@ impl<'a> QrCodeWidget<'a> {
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let code = QrCode::new(data)?;
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Ok(QrCodeWidget {
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code: CodeSrc::Owned(code),
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quiet_zone: 1.,
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})
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}
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pub fn quiet_zone(mut self, quiet_zone: f32) -> Self {
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self.quiet_zone = quiet_zone;
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self
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}
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}
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impl Widget for QrCodeWidget<'_> {
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fn ui(self, ui: &mut Ui) -> Response {
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let size = ui.available_size();
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let outer_size = ui.available_size();
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let code_ref = match &self.code {
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CodeSrc::Ref(code) => code,
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CodeSrc::Owned(q) => q,
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};
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let w = code_ref.width();
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let scale = (size.x.min(size.y) / w as f32).floor();
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let start = ui.cursor().min;
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let (response, painter) =
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ui.allocate_painter(vec2(w as f32 * scale, w as f32 * scale), Sense::click());
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let min_size = outer_size.x.min(outer_size.y);
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let scale = min_size / (w as f32 + (self.quiet_zone * 2.));
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let start = ui.cursor().min + vec2(self.quiet_zone * scale, self.quiet_zone * scale);
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let (response, painter) = ui.allocate_painter(vec2(min_size, min_size), Sense::click());
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painter.rect(response.rect, Rounding::ZERO, Color32::WHITE, Stroke::NONE);
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let mut ctr = 0;
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for c in code_ref.to_colors() {
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let row = ctr / w;
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let col = ctr % w;
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let c_start = start + vec2(col as f32 * scale, row as f32 * scale);
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let c_end = c_start + vec2(scale, scale);
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let c_start = start.floor() + vec2(col as f32 * scale, row as f32 * scale).floor();
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let c_end = c_start.ceil() + vec2(scale, scale).ceil();
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if matches!(c, Color::Dark) {
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painter.rect(
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Rect::from_min_max(c_start, c_end),
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