Checks if type is a subtype of supertype.
This function returns true if type is a subtype of supertype. All types are considered to be subtypes of themselves. Aside from that, only indefinite types can have subtypes.
a #GVariantType
true if type is a subtype of supertype
Since 2.24
Checks if type is a subtype of supertype.
This function returns true if type is a subtype of supertype. All types are considered to be subtypes of themselves. Aside from that, only indefinite types can have subtypes.