Trait PathExtension 

pub trait PathExtension {
    // Required method
    fn extension_as_lowercase(&self) -> Option<String>;
}

Trait to extend Path with a convenient method for getting the lowercase file extension. Used by extension.rs, file_dialog.rs, filters.rs.

Required Methods

fn extension_as_lowercase(&self) -> Option<String>

Returns the file extension as a lowercase String, or None.

Implementations on Foreign Types

impl PathExtension for Path

fn extension_as_lowercase(&self) -> Option<String>

Implementation for Path. Gets extension, converts to &str (lossy), then lowercases.

Logic

1. Call self.extension() -> Option<&OsStr>.
2. Convert OsStr to &str via to_str -> Option<&str>.
3. Map &str to lowercase String -> Option<String>.

Implementors