valueSubtract

Subtracts subtrahend from minuend and stores the result in dest. Note that this means subtraction as in sets, not as in mathematics.

bool

valueSubtract

(

)

Parameters

dest gobject.value.Value: the destination value for the result if the subtraction is not empty. May be null, in which case the resulting set will not be computed, which can give a fair speedup.
minuend gobject.value.Value: the value to subtract from
subtrahend gobject.value.Value: the value to subtract

Type: bool

true if the subtraction is not empty