Struct std::str::pattern::CharSearcher[][src]

pub struct CharSearcher<'a> {
    haystack: &'a str,
    finger: usize,
    finger_back: usize,
    needle: char,
    utf8_size: usize,
    utf8_encoded: [u8; 4],
}
🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

Expand description

Associated type for <char as Pattern<'a>>::Searcher.

Fields

haystack: &'a str
🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

finger: usize
🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

finger is the current byte index of the forward search. Imagine that it exists before the byte at its index, i.e. haystack[finger] is the first byte of the slice we must inspect during forward searching

finger_back: usize
🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

finger_back is the current byte index of the reverse search. Imagine that it exists after the byte at its index, i.e. haystack[finger_back - 1] is the last byte of the slice we must inspect during forward searching (and thus the first byte to be inspected when calling next_back()).

needle: char
🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

The character being searched for

utf8_size: usize
🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

The number of bytes needle takes up when encoded in utf8.

utf8_encoded: [u8; 4]
🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

A utf8 encoded copy of the needle

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

Performs the next search step starting from the back. Read more

🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

Finds the next Match result. See next_back(). Read more

🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

Finds the next Reject result. See next_back(). Read more

🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

Getter for the underlying string to be searched in Read more

🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

Performs the next search step starting from the front. Read more

🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

Finds the next Match result. See next(). Read more

🔬 This is a nightly-only experimental API. (pattern #27721)

API not fully fleshed out and ready to be stabilized

Finds the next Reject result. See next() and next_match(). Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Performs the conversion.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into #41263)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.