Crate swift_check

use swift_check::{search, range, one_of, any, all, eq, not};

let input = b"
    swift-check is a high performance library for searching or validating data based on \
    expressive conditions
";

let cond = all!(
    all!(any!(range!(b'a'..=b'z'), range!(b'A'..=b'Z'), eq(b' ')), not(range!(b'0'..=b'9'))),
    one_of!(eq(b' '), range!(b'a'..=b'z'), range!(b'a'..=b'z'))
);

let Some(first_space) = search(input, cond) else {
    unreachable!("There's a space!")
};

assert_eq!(input[first_space], b' ');

// or, more simply

let Some(first_space2) = search(input, eq(b' ')) else {
    unreachable!("There's a space!")
};

assert_eq!(input[first_space2], b' ');
assert_eq!(first_space2, first_space);

Modules

arch

requirerequire

Ensure each requirement was met

Macros

all

Check that all the conditions hold

any

Check that any of the conditions hold

one_of

Ensure only one of the conditions are true

range

Check that the value is within the specified range

requirementrequire

Define a Requirement

requirementsrequire

Check multiple requirement!s

Functions

and

Combine two conditions

ensure

Check that the condition holds for all bytes

eq

Check if the bytes are equal to expected

find

Find the first circumstance of the condition being met

for_all_ensure

For all the bytes, ensure that the condition holds

for_all_ensure_ct

For all the bytes, ensure that the condition holds

not

Negate a condition

or

Check that either condition is met

search

Find the first byte that meets the cond

xor

Check that only one of the conditions are met