Trait scan_rules::input::ScanInput [−] [src]

pub trait ScanInput<'a>: 'a + Sized + Clone {
    type ScanCursor: ScanCursor<'a>;
    type StrCompare: StrCompare;
    fn as_str(&self) -> &'a str;
    fn from_subslice(&self, subslice: &'a str) -> Self;
    fn to_cursor(&self) -> Self::ScanCursor;
}

This trait is the interface scanners use to access the input being scanned.

Associated Types

type ScanCursor: ScanCursor<'a>

Corresponding cursor type.

type StrCompare: StrCompare

Marker type used to do string comparisons.

Required Methods

fn as_str(&self) -> &'a str

Get the contents of the input as a string slice.

fn from_subslice(&self, subslice: &'a str) -> Self

Create a new input from a subslice of this input's contents.

This should be used to ensure that additional state and settings (such as the string comparison marker) are preserved.

fn to_cursor(&self) -> Self::ScanCursor

Turn the input into an independent cursor, suitable for feeding back into a user-facing scanning macro.

Implementors