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version 2.109.0

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Function std.algorithm.mutation.initializeAll

Initializes all elements of range with their .init value. Assumes that the elements of the range are uninitialized.

void initializeAll(Range) (
  Range range
)
if (isInputRange!Range && hasLvalueElements!Range && hasAssignableElements!Range && __traits(compiles, () { static ElementType!Range _; } ));

void initializeAll(Range) (
  Range range
)
if (is(Range == char[]) || is(Range == wchar[]));

This function is unavailable if T is a struct and T.this() is annotated with @disable.

Parameters

NameDescription
range An input range that exposes references to its elements and has assignable elements

See Also

fill uninitializedFill

Example

import core.stdc.stdlib : malloc, free;

struct S
{
    int a = 10;
}

auto s = (cast(S*) malloc(5 * S.sizeof))[0 .. 5];
initializeAll(s);
writeln(s); // [S(10), S(10), S(10), S(10), S(10)]

scope(exit) free(s.ptr);

Authors

Andrei Alexandrescu

License

Boost License 1.0.