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func HeadBytes ¶ added in v0.9.1

func HeadBytes(s string, n int) string

func HeadLines ¶ added in v0.17.6

func HeadLines(s string, n int) string

HeadLines returns the longest prefix of s that fits in n bytes and ends at a line boundary, without the trailing newline. A single line longer than n is cut at a byte boundary instead, so the result is never empty for non-empty input and a positive n.

func LineCount ¶ added in v0.16.10

func LineCount(value string) int

LineCount counts logical lines, excluding the empty suffix after a final newline.

func TailBytes ¶ added in v0.9.1

func TailBytes(s string, n int) string

func TailLines ¶ added in v0.17.6

func TailLines(s string, n int) string

TailLines returns the longest suffix of s that fits in n bytes and starts at a line boundary. A single line longer than n is cut at a byte boundary instead, so the result is never empty for non-empty input and a positive n.

func TruncateHead ¶ added in v0.6.9

func TruncateHead(s string, maxBytes int) string