Function in bytes coil-stdlib

`starts_with`

fn starts_with(Vec<byte> buf, Vec<byte> prefix) -> bool

Import

use bytes::{starts_with};

Returns true when buf begins with prefix.

Parameters#

Name	Type
`buf`	`Vec<byte>`
`prefix`	`Vec<byte>`

bool

Checked according to --contracts (see Contracts).

ensures !result || prefix.len() <= buf.len()

use bytes::{starts_with};
use tests::assert;
assert!(starts_with("GET /", "GET"));
assert!(!starts_with("GE", "GET"));

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.
find: Returns the offset of the first needle in hay, or -1.