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bits.go
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bits.go
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package builtin
// -----------------------------------------------------------------------------
// Lshr returns a << b
//
func Lshr(a, b interface{}) interface{} {
switch a1 := a.(type) {
case int:
switch b1 := b.(type) {
case int:
return a1 << uint(b1)
}
}
return panicUnsupportedOp2("<<", a, b)
}
// Rshr returns a >> b
//
func Rshr(a, b interface{}) interface{} {
switch a1 := a.(type) {
case int:
switch b1 := b.(type) {
case int:
return a1 >> uint(b1)
}
}
return panicUnsupportedOp2(">>", a, b)
}
// Xor returns a ^ b
//
func Xor(a, b interface{}) interface{} {
switch a1 := a.(type) {
case int:
switch b1 := b.(type) {
case int:
return a1 ^ b1
}
}
return panicUnsupportedOp2("^", a, b)
}
// BitAnd returns a & b
//
func BitAnd(a, b interface{}) interface{} {
switch a1 := a.(type) {
case int:
switch b1 := b.(type) {
case int:
return a1 & b1
}
}
return panicUnsupportedOp2("&", a, b)
}
// BitOr returns a | b
//
func BitOr(a, b interface{}) interface{} {
switch a1 := a.(type) {
case int:
switch b1 := b.(type) {
case int:
return a1 | b1
}
}
return panicUnsupportedOp2("|", a, b)
}
// BitNot returns ^a
//
func BitNot(a interface{}) interface{} {
switch a1 := a.(type) {
case int:
return ^a1
}
return panicUnsupportedOp1("^", a)
}
// AndNot returns a &^ b
//
func AndNot(a, b interface{}) interface{} {
switch a1 := a.(type) {
case int:
switch b1 := b.(type) {
case int:
return a1 &^ b1
}
}
return panicUnsupportedOp2("&^", a, b)
}
// -----------------------------------------------------------------------------