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add more documentation, examples with tests to illustrate reusable components

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Mechiel Lukkien
2023-12-12 15:47:26 +01:00
parent 810cbdc61d
commit d1b66035a9
40 changed files with 973 additions and 119 deletions
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5
message/parseheaderfields.go
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@ -8,8 +8,9 @@ import (
)
// ParseHeaderFields parses only the header fields in "fields" from the complete
// header buffer "header", while using "scratch" as temporary space, prevent lots
// of unneeded allocations when only a few headers are needed.
// header buffer "header". It uses "scratch" as temporary space, which can be
// reused across calls, potentially saving lots of unneeded allocations when only a
// few headers are needed and/or many messages are parsed.
func ParseHeaderFields(header []byte, scratch []byte, fields [][]byte) (textproto.MIMEHeader, error) {
// todo: should not use mail.ReadMessage, it allocates a bufio.Reader. should implement header parsing ourselves.