use core::str; use lazy_static::lazy_static; use num_format::{CustomFormat, Grouping}; lazy_static! { pub(crate) static ref POLICIES: [CustomFormat; 5] = { let four_byte_char = "𠜱"; let longest_minus_sign = unsafe { str::from_utf8_unchecked(&[226u8, 128, 142, 45, 226, 128, 142]) }; [ CustomFormat::builder() .grouping(Grouping::Standard) .minus_sign("-") .separator(",") .build() .unwrap(), CustomFormat::builder() .grouping(Grouping::Standard) .minus_sign(longest_minus_sign) .separator(four_byte_char) .build() .unwrap(), CustomFormat::builder() .grouping(Grouping::Indian) .minus_sign(longest_minus_sign) .separator(four_byte_char) .build() .unwrap(), CustomFormat::builder() .grouping(Grouping::Posix) .minus_sign(longest_minus_sign) .separator(four_byte_char) .build() .unwrap(), CustomFormat::builder() .grouping(Grouping::Standard) .minus_sign(longest_minus_sign) .separator("") .build() .unwrap(), ] }; }