2012/3/27 Daniel Donnelly <[email protected]> > I have: [code] > > module A; > module A; > > interface B { > public: > immutable B dup(); > } > > class A : B { > public: > this() {} > this(in char[] field) { this.field = field.dup; } > immutable A dup() { return new A(field); } > private: > char[] field; > } > > void main() > { > B f, g; > f = new A; > g = new A; > > f = g.dup; > } >
With git head (2.062alpha): test.d(21): Error: immutable method test.B.dup is not callable using a mutable object Kenji Hara
