Examples using... "go/constant"

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Using go/constant (ComplexNumbers) in Go
by GoDoc Go go/constant fmt.Println constant.BinaryOp constant.Float64Val constant.Imag
Package constant implements Values representing untyped Go constants and their corresponding operations.
Val in Go
by GoDoc Go go/constant constant.Val fmt.Printf constant.Make constant.MakeBool
Val returns the underlying value for a given constant. Since it returns an interface, it is up to the caller to type assert the result to the expected type. The possible dynamic return types are:
UnaryOp in Go
by GoDoc Go go/constant constant.UnaryOp constant.Bool constant.Float constant.Int
UnaryOp returns the result of the unary expression op y. The operation must be defined for the operand. If prec > 0 it specifies the ^ (xor) result size in bits. If y is Unknown, the result is Unknown.
Sign in Go
by GoDoc Go go/constant constant.MakeInt64 constant.Value constant.BinaryOp constant.MakeImag
Sign returns -1, 0, or 1 depending on whether x < 0, x == 0, or x > 0; x must be numeric or Unknown. For complex values x, the sign is 0 if x == 0, otherwise it is != 0. If x is Unknown, the result is 1.
Compare in Go
by GoDoc Go go/constant constant.MakeString constant.Compare constant.MakeFromLiteral constant.StringVal
Compare returns the result of the comparison x op y. The comparison must be defined for the operands. If one of the operands is Unknown, the result is false.
BinaryOp in Go
by GoDoc Go go/constant constant.BinaryOp constant.MakeFloat64 constant.MakeUint64 fmt
BinaryOp returns the result of the binary expression x op y. The operation must be defined for the operands. If one of the operands is Unknown, the result is Unknown. BinaryOp doesn't handle comparisons or shifts; use Compare or Shift instead.