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std.checkedint.Checked.this
- multiple declarations
Function Checked.this
Constructor taking a value properly convertible to the underlying type. U
may be either an integral that can be converted to T
without a loss, or
another Checked
instance whose representation may be in turn converted to
T
without a loss.
this(U)
(
U rhs
)
if (valueConvertible!(U, T) || !isIntegral!T && is(typeof(T(rhs))) || is(U == Checked!(V, W), V, W) && is(typeof(Checked!(T, Hook)(rhs .get))));
Example
auto a = checked(42L);
writeln(a); // 42
auto b = Checked!long(4242); // convert 4242 to long
writeln(b); // 4242
Function Checked.this
Construct from a decimal string. The conversion follows the same rules as
to
converting a string to the wrapped T
type.
this(Range)
(
Range str
)
if (isInputRange!Range && isSomeChar!(ElementType!Range));
Parameters
Name | Description |
---|---|
str | an input range of characters |
Example
to
can convert a string to a Checked!T
:
import std .conv : to;
const a = to!long("1234");
const b = to!(Checked!long)("1234");
writeln(a); // b
Authors
License
Copyright © 1999-2024 by the D Language Foundation | Page generated by ddox.