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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /vendor/serde_json/src/lexical/digit.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | vendor/serde_json/src/lexical/digit.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/vendor/serde_json/src/lexical/digit.rs b/vendor/serde_json/src/lexical/digit.rs new file mode 100644 index 000000000..882aa9eef --- /dev/null +++ b/vendor/serde_json/src/lexical/digit.rs @@ -0,0 +1,15 @@ +// Adapted from https://github.com/Alexhuszagh/rust-lexical. + +//! Helpers to convert and add digits from characters. + +// Convert u8 to digit. +#[inline] +pub(crate) fn to_digit(c: u8) -> Option<u32> { + (c as char).to_digit(10) +} + +// Add digit to mantissa. +#[inline] +pub(crate) fn add_digit(value: u64, digit: u32) -> Option<u64> { + value.checked_mul(10)?.checked_add(digit as u64) +} |