package datakit-ci
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type t

A base string with an index into it, representing the rest of the string from that point.

val of_string : string -> t

of_string s is a cursor at the start of s.

val to_string : t -> string

to_string t is the substring from t to the end of the input.

val skip : t -> t

skip t is the stream without its first character. t must be non-empty.

val skip_all : t -> t

skip_all t is the empty stream at the end of t.

val find : t -> char -> t option

find t c is a stream from the first occurance of c in t, if any.

val avail : t -> int

avail t is the number of remaining characters in the stream.

val is_empty : t -> bool

is_empty t is avail t = 0.

val next : t -> (char * t) option

next t is Some (c, t2), where c is the next character in the stream and t2 is skip t, or None if is_empty t.

val equal : t -> t -> bool

equal a b is true iff the streams a and b are at the same offset in the same base string.

type span = string * int * int

(s, a, b) represents the span of s from index a up to but excluding b.

val (--) : t -> t -> span

a -- b is the span from a (inclusive) to b (exclusive). a must not have a higher offset than b.

val string_of_span : span -> string

string_of_span (s, a, b) is the sub-string of s from a to b.