eval

package
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 Go to latest Published: Nov 22, 2025 License: MIT Imports: 4 Imported by: 1

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Types

type ExprError 

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

func (ExprError) Error 

func (err ExprError) Error() string

func (ExprError) Unwrap 

func (err ExprError) Unwrap() error

type Num 

type Num struct {
	Value any // int64 or float64, nil on error
}

func Expr 

func Expr(tokens ...any) (Num, error)

Expr evaluates the given expression tokens and returns the result. It supports the following operators: +, -, *, /, and, or, not, ==, !=, >, >=, <, <=. Non-zero values are treated as true, zero values are treated as false. If no error occurs, the result is either an int64 or a float64. If all numbers are integer, the result is an int64, otherwise if there is any float number, the result is a float64.

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