diff

package

v0.5.3 Latest Latest Go to latest Published: Apr 18, 2026 License: MIT Imports: 2 Imported by: 0

Details

Package diff provides line-by-line text comparison functionality.

This package compares two text strings and produces a structured diff showing which lines were added, removed, or unchanged.

Example:

result := diff.Compare(oldText, newText)
for _, line := range result.Lines {
    fmt.Printf("%s: %s\n", line.Type, line.Content)
}

This section is empty.

This section is empty.

This section is empty.

type Line struct {
	Type    LineType
	OldLine *int
	NewLine *int
	Content string
}

Line represents a single line in a diff

type LineType string

LineType represents the type of change in a diff line

const (
	LineTypeUnchanged LineType = "unchanged"
	LineTypeAdded     LineType = "added"
	LineTypeRemoved   LineType = "removed"
)

type Result struct {
	Lines []Line
}

Result represents the result of comparing two texts

func Compare(oldText, newText string) Result

Compare generates a line-by-line diff between two text strings