String.opIndex - multiple declarations
Function String.opIndex
ref inout inout(char) opIndex
(
const(ulong) pos
) pure nothrow @nogc @trusted;
Parameters
Name | Description |
---|---|
pos | Position. |
Returns
Byte at pos.
Precondition
length > pos
.
Example
auto s = String("Alea iacta est.");
assert(s[0] == 'A');
assert(s[4] == ' ');
Function String.opIndex
ByCodeUnit!(char) opIndex() pure nothrow @nogc @trusted;
ByCodeUnit!(const(char)) opIndex() pure nothrow @nogc @trusted const;
Returns
Random access range that iterates over the string by bytes, in forward order.
Example
auto s = String("Plutarchus");
auto r = s[];
assert(r .front == 'P');
assert(r .back == 's');
r .popFront();
assert(r .front == 'l');
assert(r .back == 's');
r .popBack();
assert(r .front == 'l');
assert(r .back == 'u');
assert(r .length == 8);
Example
auto s = const String("Was ich vermag, soll gern geschehen. Goethe");
auto r1 = s[];
assert(r1 .front == 'W');
auto r2 = r1[];
r1 .popFront();
assert(r1 .front == 'a');
assert(r2 .front == 'W');