archetect-core 0.7.3

Generates Content from Archetype Template Directories and Git Repositories.
Documentation 
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/// This trait defines a camel case conversion.
///
/// In snake_case, word boundaries are indicated by underscores.
///
/// ## Example:
///
/// ```rust
/// fn main() {
///
///     use archetect_core::vendor::heck::SnakeCase;
///
///     let sentence = "We carry a new world here, in our hearts.";
///     assert_eq!(sentence.to_snake_case(), "we_carry_a_new_world_here_in_our_hearts");
/// }
/// ```
pub trait SnakeCase: ToOwned {
    /// Convert this type to snake case.
    fn to_snake_case(&self) -> Self::Owned;
}

impl SnakeCase for str {
    fn to_snake_case(&self) -> String {
        crate::vendor::heck::transform(self, crate::vendor::heck::lowercase, |s| s.push('_'))
    }
}

#[cfg(test)]
mod tests {
    use super::SnakeCase;

    macro_rules! t {
        ($t:ident : $s1:expr => $s2:expr) => {
            #[test]
            fn $t() {
                assert_eq!($s1.to_snake_case(), $s2)
            }
        };
    }

    t!(test1: "PascalCase" => "pascal_case");
    t!(test2: "This is Human case." => "this_is_human_case");
    t!(test3: "MixedUP PascalCase, with some Spaces" => "mixed_up_pascal_case_with_some_spaces");
    t!(test4: "mixed_up_ snake_case with some _spaces" => "mixed_up_snake_case_with_some_spaces");
    t!(test5: "train-case" => "train_case");
    t!(test6: "CONSTANT_CASE" => "constant_case");
    t!(test7: "snake_case" => "snake_case");
    t!(test8: "this-contains_ ALLKinds OfWord_Boundaries" => "this_contains_all_kinds_of_word_boundaries");
    t!(test9: "XΣXΣ baffle" => "xσxς_baffle");
    t!(test10: "XMLHttpRequest" => "xml_http_request");
    t!(test11: "FIELD_NAME11" => "field_name11");
    t!(test12: "99BOTTLES" => "99bottles");
    t!(test13: "FieldNamE11" => "field_nam_e11");

    t!(test14: "abc123def456" => "abc123def456");
    t!(test16: "abc123DEF456" => "abc123_def456");
    t!(test17: "abc123Def456" => "abc123_def456");
    t!(test18: "abc123DEf456" => "abc123_d_ef456");
    t!(test19: "ABC123def456" => "abc123def456");
    t!(test20: "ABC123DEF456" => "abc123def456");
    t!(test21: "ABC123Def456" => "abc123_def456");
    t!(test22: "ABC123DEf456" => "abc123d_ef456");
    t!(test23: "ABC123dEEf456FOO" => "abc123d_e_ef456_foo");
    t!(test24: "abcDEF" => "abc_def");
    t!(test25: "ABcDE" => "a_bc_de");
    t!(test26: "package.case" => "package_case");
    t!(test27: "directory/case" => "directory_case");
}