Method RuneAt

internal/buffer/buffer.go:647–663

RuneAt returns the rune at a given location in the buffer

(loc Loc)

// RuneAt returns the rune at a given location in the buffer
func (b *Buffer) RuneAt(loc Loc) rune {
	line := b.LineBytes(loc.Y)
	if len(line) > 0 {
		i := 0
		for len(line) > 0 {
			r, _, size := util.DecodeCharacter(line)
			line = line[size:]

			if i == loc.X {
				return r
			}

			i++
		}
	}
	return '\n'
}

// WordAt returns the word around a given location in the buffer
func (b *Buffer) WordAt(loc Loc) []byte {