Function in bytes coil-stdlib

find

fn find(Vec<byte> hay, Vec<byte> needle) -> int
Import
use bytes::{find};
Source: src/bytes.hy

Returns the offset of the first needle in hay, or -1. An empty needle matches at 0.

Parameters#

NameType
hayVec<byte>
needleVec<byte>

Returns#

int

Examples#

use bytes::{find};
use tests::assert;
assert!(find("a,b,c", ",") == 1);
assert!(find("abc", "x") == -1);

See also#

  • region_eq: True when a[ao..ao+n) equals b[bo..bo+n) (caller guarantees bounds).
  • to_hex: Encodes buf as lowercase hexadecimal, two digits per byte.
  • from_hex: Decodes hexadecimal text (either case) into bytes.
  • slice: Returns a copy of src[start..end] (end exclusive), with both offsets clamped to the buffer.
  • concat: Returns a new buffer holding a followed by b.
  • eq: Returns true when a and b have the same length and the same bytes.
  • find_from: Returns the offset of the first needle in hay at or after start, or -1.
  • rfind: Returns the offset of the last needle in hay, or -1.
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