From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/serde_json/src/lexical/digit.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 vendor/serde_json/src/lexical/digit.rs (limited to 'vendor/serde_json/src/lexical/digit.rs') diff --git a/vendor/serde_json/src/lexical/digit.rs b/vendor/serde_json/src/lexical/digit.rs new file mode 100644 index 0000000..3d150a1 --- /dev/null +++ b/vendor/serde_json/src/lexical/digit.rs @@ -0,0 +1,18 @@ +// 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 { + (c as char).to_digit(10) +} + +// Add digit to mantissa. +#[inline] +pub(crate) fn add_digit(value: u64, digit: u32) -> Option { + match value.checked_mul(10) { + None => None, + Some(n) => n.checked_add(digit as u64), + } +} -- cgit v1.2.3