val

package
v0.18.0-rc3 Latest Latest
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 Go to latest Published: Dec 22, 2024 License: Apache-2.0 Imports: 11 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	// ErrUnsupportedType is the error that the value type is not supported.
	ErrUnsupportedType = errors.New("unsupported type")
	// ErrOperationNotDefined is the error that the operation is not defined.
	ErrOperationNotDefined = errors.New("operation not defined")
)

Functions

func RegisterType 

func RegisterType(t Type)

RegisterType registers an abstract type t. Later registered types take precedence over earlier ones.

Types

type Adder 

type Adder interface {
	Add(Value) (Value, error)
}

Adder is an interface that supports '+' operator.

type Any 

type Any struct {
	// contains filtered or unexported fields
}

Any represents an undefined type value.

func (Any) Equal 

func (a Any) Equal(v Value) (LogicalValue, error)

Equal implements Equaler interface.

func (Any) GoValue 

func (a Any) GoValue() any

GoValue implements Value interface.

func (Any) Size added in v0.16.0 

func (a Any) Size() (Value, error)

Size implements Sizer interface.

func (Any) Type 

func (a Any) Type() Type

Type implements Value interface.

type Bool 

type Bool bool

Bool represents a bool value.

func (Bool) Equal 

func (b Bool) Equal(v Value) (LogicalValue, error)

Equal implements Equaler interface.

func (Bool) GoValue 

func (b Bool) GoValue() any

GoValue implements Value interface.

func (Bool) IsTruthy 

func (b Bool) IsTruthy() bool

IsTruthy implements LogicalValue interface.

func (Bool) Type 

func (b Bool) Type() Type

Type implements Value interface.

type Bytes 

type Bytes []byte

Bytes represents a bytes value.

func (Bytes) Add 

func (b Bytes) Add(v Value) (Value, error)

Add implements Adder interface.

func (Bytes) Compare 

func (b Bytes) Compare(v Value) (Value, error)

Compare implements Comparer interface.

func (Bytes) Equal 

func (b Bytes) Equal(v Value) (LogicalValue, error)

Equal implements Equaler interface.

func (Bytes) GoValue 

func (b Bytes) GoValue() any

GoValue implements Value interface.

func (Bytes) Size added in v0.16.0 

func (b Bytes) Size() (Value, error)

Size implements Sizer interface.

func (Bytes) Type 

func (b Bytes) Type() Type

Type implements Value interface.

type Comparer 

type Comparer interface {
	Compare(Value) (Value, error)
}

Comparer is an interface that supports '<', '<=', '>', '>=' operators.

type Divider 

type Divider interface {
	Div(Value) (Value, error)
}

Divider is an interface that supports '/' operator.

type Duration 

type Duration time.Duration

Duration represents a duration value.

func (Duration) Add 

func (d Duration) Add(v Value) (Value, error)

Add implements Adder interface.

func (Duration) Compare 

func (d Duration) Compare(v Value) (Value, error)

Equal implements Equaler interface.

func (Duration) Equal 

func (d Duration) Equal(v Value) (LogicalValue, error)

Equal implements Equaler interface.

func (Duration) GoValue 

func (d Duration) GoValue() any

GoValue implements Value interface.

func (Duration) Neg 

func (d Duration) Neg() (Value, error)

Neg implements Negator interface.

func (Duration) Sub 

func (d Duration) Sub(v Value) (Value, error)

Sub implements Subtractor interface.

func (Duration) Type 

func (d Duration) Type() Type

Type implements Value interface.

type Equaler 

type Equaler interface {
	Equal(Value) (LogicalValue, error)
}

Equaler is an interface that supports '==' operator.

type Float 

type Float float64

Float represents a float value.

func (Float) Add 

func (f Float) Add(v Value) (Value, error)

Add implements Adder interface.

func (Float) Compare 

func (f Float) Compare(v Value) (Value, error)

Compare implements Comparer interface.

func (Float) Div 

func (f Float) Div(v Value) (Value, error)

Div implements Divider interface.

func (Float) Equal 

func (f Float) Equal(v Value) (LogicalValue, error)

Equal implements Equaler interface.

func (Float) GoValue 

func (f Float) GoValue() any

GoValue implements Value interface.

func (Float) Mul 

func (f Float) Mul(v Value) (Value, error)

Mul implements Multiplier interface.

func (Float) Neg 

func (f Float) Neg() (Value, error)

Neg implements Negator interface.

func (Float) Sub 

func (f Float) Sub(v Value) (Value, error)

Sub implements Subtractor interface.

func (Float) Type 

func (f Float) Type() Type

Type implements Value interface.

type Int 

type Int int64

Int represents an int value.

func (Int) Add 

func (i Int) Add(v Value) (Value, error)

Add implements Adder interface.

func (Int) Compare 

func (i Int) Compare(v Value) (Value, error)

Compare implements Comparer interface.

func (Int) Div 

func (i Int) Div(v Value) (Value, error)

Div implements Divider interface.

func (Int) Equal 

func (i Int) Equal(v Value) (LogicalValue, error)

Equal implements Equaler interface.

func (Int) GoValue 

func (i Int) GoValue() any

GoValue implements Value interface.

func (Int) Mod 

func (i Int) Mod(v Value) (Value, error)

Mod implements Modder interface.

func (Int) Mul 

func (i Int) Mul(v Value) (Value, error)

Mul implements Multiplier interface.

func (Int) Neg 

func (i Int) Neg() (Value, error)

Neg implements Negator interface.

func (Int) Sub 

func (i Int) Sub(v Value) (Value, error)

Sub implements Subtractor interface.

func (Int) Type 

func (i Int) Type() Type

Type implements Value interface.

type LogicalValue 

type LogicalValue interface {
	Value
	IsTruthy() bool
}

LogicalValue is an interface that can be used in a boolean context.

type Modder 

type Modder interface {
	Mod(Value) (Value, error)
}

Modder is an interface that supports '%' operator.

type Multiplier 

type Multiplier interface {
	Mul(Value) (Value, error)
}

Multiplier is an interface that supports '*' operator.

type Negator 

type Negator interface {
	Neg() (Value, error)
}

Negater is an interface that supports unary '-' operator.

type Nil 

type Nil struct {
	// contains filtered or unexported fields
}

Nil represents a nil value.

func (Nil) Equal 

func (n Nil) Equal(v Value) (LogicalValue, error)

Equal implements Equaler interface.

func (Nil) GoValue 

func (n Nil) GoValue() any

GoValue implements Value interface.

func (Nil) Type 

func (n Nil) Type() Type

Type implements Value interface.

type Sizer added in v0.16.0 

type Sizer interface {
	Size() (Value, error)
}

Sizer is an interface that supports 'size()' overloads.

type String 

type String string

String represents a string value.

func (String) Add 

func (s String) Add(v Value) (Value, error)

Add implements Adder interface.

func (String) Compare 

func (s String) Compare(v Value) (Value, error)

Compare implements Comparer interface.

func (String) Equal 

func (s String) Equal(v Value) (LogicalValue, error)

Equal implements Equaler interface.

func (String) GoValue 

func (s String) GoValue() any

GoValue implements Value interface.

func (String) Size added in v0.16.0 

func (s String) Size() (Value, error)

Size implements Sizer interface.

func (String) Type 

func (s String) Type() Type

Type implements Value interface.

type Subtractor 

type Subtractor interface {
	Sub(Value) (Value, error)
}

Subtractor is an interface that supports '-' operator.

type Time 

type Time time.Time

Time represents a time value.

func (Time) Add 

func (t Time) Add(v Value) (Value, error)

Add implements Adder interface.

func (Time) Compare 

func (t Time) Compare(v Value) (Value, error)

Compare implements Comparer interface.

func (Time) Equal 

func (t Time) Equal(v Value) (LogicalValue, error)

Equal implements Equaler interface.

func (Time) GoValue 

func (t Time) GoValue() any

GoValue implements Value interface.

func (Time) Sub 

func (t Time) Sub(v Value) (Value, error)

Sub implements Subtractor interface.

func (Time) Type 

func (t Time) Type() Type

Type implements Value interface.

type Type 

type Type interface {
	Name() string
	NewValue(any) (Value, error)
	Convert(Value) (Value, error)
}

Type represents an abstract operand type.

func GetType 

func GetType(name string) Type

GetType gets registered type by name. This function returns nil if a type is not found by the given name.

type Uint 

type Uint uint64

Uint represents a uint value.

func (Uint) Add 

func (i Uint) Add(v Value) (Value, error)

Add implements Adder interface.

func (Uint) Compare 

func (i Uint) Compare(v Value) (Value, error)

Compare implements Comparer interface.

func (Uint) Div 

func (i Uint) Div(v Value) (Value, error)

Div implements Divider interface.

func (Uint) Equal 

func (i Uint) Equal(v Value) (LogicalValue, error)

Equal implements Equaler interface.

func (Uint) GoValue 

func (i Uint) GoValue() any

GoValue implements Value interface.

func (Uint) Mod 

func (i Uint) Mod(v Value) (Value, error)

Mod implements Modder interface.

func (Uint) Mul 

func (i Uint) Mul(v Value) (Value, error)

Mul implements Multiplier interface.

func (Uint) Sub 

func (i Uint) Sub(v Value) (Value, error)

Sub implements Subtractor interface.

func (Uint) Type 

func (i Uint) Type() Type

Type implements Value interface.

type Value 

type Value interface {
	Type() Type
	GoValue() any
}

Value represents an abstract operand value.

func NewValue 

func NewValue(v any) Value

NewValue returns v as a an abstract value.

Source Files

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