internal

package

v0.1.0 Latest Latest Go to latest Published: May 18, 2025 License: MIT Imports: 4 Imported by: 0

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Valid go.mod file
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Repository

github.com/J-Me-2307/expresso

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Documentation ¶

Index ¶

func EvaluatePostfix(tokens []*Token) (float64, error)
func ValidateTokens(tokens []*Token) []error
type ParseError
- func (e *ParseError) Error() string
type Token
- func (t *Token) String() string
type TokenType

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func EvaluatePostfix ¶

func EvaluatePostfix(tokens []*Token) (float64, error)

func ValidateTokens ¶

func ValidateTokens(tokens []*Token) []error

Types ¶

type ParseError ¶

type ParseError struct {
	Message  string
	Position int
	Got      string
	Expected string
}

func (*ParseError) Error ¶

func (e *ParseError) Error() string

type Token ¶

type Token struct {
	Type     TokenType
	Value    string
	Position int
}

func NewToken ¶

func NewToken(t TokenType, v string, p int) *Token

func ToPostfix ¶

func ToPostfix(tokens []*Token) []*Token

func Tokenize ¶

func Tokenize(expression string) []*Token

func (*Token) String ¶

func (t *Token) String() string

type TokenType ¶

type TokenType string

const (
	NUMBER_TOKEN   TokenType = "Number"
	OPERATOR_TOKEN TokenType = "Operator"
	LPAREN_TOKEN   TokenType = "Left parenthesis"
	RPAREN_TOKEN   TokenType = "Right parenthesis"
	INVALID_TOKEN  TokenType = "Invalid"
)

Source Files ¶

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