Class Left

Prefix operation that return the substring of the input text with the specified length and start index of 0

Operand Count: 2

Operands

1. input: string
2. count: double

Output Type: string

Usage: Left("test", 1) should return "t"

Inheritance

System.Object

PrefixOperationToken

Left

Implements

IToken

Inherited Members

PrefixOperationToken.Operands

PrefixOperationToken.Match(String, Int32, Int32)

PrefixOperationToken.EvalText(String)

PrefixOperationToken.ToString()

PrefixOperationToken.Clone()

PrefixOperationToken.GetParamsOperands(Func<String, Object>, Type)

PrefixOperationToken.GetOperands(Func<String, Object>)

PrefixOperationToken.GetOperands(Func<String, Object>, Type)

PrefixOperationToken.GetOperands<T>(Func<String, Object>)

PrefixOperationToken.GetOperandText(Object, Int32, String)

Namespace: Albatross.Expression.Operations

Assembly: Albatross.Expression.dll

Syntax

public class Left : PrefixOperationToken, IToken

Properties

MaxOperandCount

Declaration

public override int MaxOperandCount { get; }

Property Value

Type	Description
System.Int32

Overrides

PrefixOperationToken.MaxOperandCount

MinOperandCount

Declaration

public override int MinOperandCount { get; }

Property Value

Type	Description
System.Int32

Overrides

PrefixOperationToken.MinOperandCount

Name

Declaration

public override string Name { get; }

Property Value

Type	Description
System.String

Overrides

PrefixOperationToken.Name

Symbolic

Declaration

public override bool Symbolic { get; }

Property Value

Type	Description
System.Boolean

Overrides

PrefixOperationToken.Symbolic

Methods

EvalValue(Func<String, Object>)

Declaration

public override object EvalValue(Func<string, object> context)

Parameters

Type	Name	Description
System.Func<System.String, System.Object>	context

Returns

Type	Description
System.Object

Overrides

PrefixOperationToken.EvalValue(Func<String, Object>)

Implements

IToken

Extension Methods

Extensions.ConvertToBoolean(Object)

Extensions.IsVariable(IToken)