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std.typecons.nullable.get
- multiple declarations
- Function Nullable.get
- Function Nullable.get
Function Nullable.get
Gets the value. this
must not be in the null state.
This function is also called for the implicit conversion to T
.
Prototype
inout ref inout(T) get() pure nothrow @property @safe;
Returns
The value held internally by this
.
Nullable
Example
import std.exception: assertThrown, assertNotThrown;
Nullable!int ni;
//get
is implicitly called. Will throw
//an AssertError in non-release mode
assertThrown!Throwable(ni == 0);
ni = 0;
assertNotThrown!Throwable(ni == 0);
Function Nullable.get
Gets the value. this
must not be in the null state.
This function is also called for the implicit conversion to T
.
Prototype
inout ref inout(T) get() @property;
Returns
The value held internally by this
.
Nullable
Example
import std.exception: assertThrown, assertNotThrown;
Nullable!(int, -1) ni;
//get
is implicitly called. Will throw
//an error in non-release mode
assertThrown!Throwable(ni == 0);
ni = 0;
assertNotThrown!Throwable(ni == 0);
Authors
Andrei Alexandrescu, Bartosz Milewski, Don Clugston, Shin Fujishiro, Kenji Hara