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Replace isInterface, isClass, isStruct with isPolymorphic

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This commit is contained in:
Eugen Wissner 2017-10-05 07:12:27 +02:00
parent 7e93bcdeeb
commit 2f4dd34582
1 changed files with 21 additions and 22 deletions
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43
source/tanya/meta/trait.d
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@ -275,38 +275,37 @@ pure nothrow @safe @nogc unittest
static assert(!isTemplate!(S!int));
}
/**
* Determine whether $(D_PARAM T) is an interface.
*
* Params:
* T = A type.
*
* Returns: $(D_KEYWORD true) if $(D_PARAM T) is an interface,
* $(D_KEYWORD false) otherwise.
*/
deprecated("Use is(T == interface) instead")
enum bool isInterface(T) = is(T == interface);
/**
* Determine whether $(D_PARAM T) is a class.
*
* Params:
* T = A type.
*
* Returns: $(D_KEYWORD true) if $(D_PARAM T) is a class
* $(D_KEYWORD false) otherwise.
*/
deprecated("Use is(T == class) instead")
enum bool isClass(T) = is(T == class);
deprecated("Use is(T == struct) instead")
enum bool isStruct(T) = is(T == struct);
/**
* Determine whether $(D_PARAM T) is a struct.
* Determines whether $(D_PARAM T) is a polymorphic type, i.e. a
* $(D_KEYWORD class) or an $(D_KEYWORD interface).
*
* Params:
* T = A type.
*
* Returns: $(D_KEYWORD true) if $(D_PARAM T) is a struct,
* $(D_KEYWORD false) otherwise.
* Returns: $(D_KEYWORD true) if $(D_PARAM T) is a $(D_KEYWORD class) or an
* $(D_KEYWORD interface), $(D_KEYWORD false) otherwise.
*/
enum bool isStruct(T) = is(T == struct);
enum bool isPolymorphic(T) = is(T == class) || is(T == interface);
///
@nogc nothrow pure @safe unittest
{
interface I
{
}
static assert(isPolymorphic!Object);
static assert(isPolymorphic!I);
static assert(!isPolymorphic!short);
}
/**
* Params: