Skip to content

Add support for triple quoted ASCII byte string #19182

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
T-Gro merged 2 commits into from
Dec 31, 2025
+12 −1
Merged

Add support for triple quoted ASCII byte string #19182

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
12df5a9
Add support for triple quoted ASCII byte string
kerams Dec 29, 2025
b33e007
Release notes
kerams Dec 29, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions src/Compiler/lex.fsl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1502,6 +1502,12 @@ and tripleQuoteString (sargs: LexerStringArgs) (skip: bool) = parse
let cont = LexCont.Token(args.ifdefStack, args.stringNest)
fin.Finish buf kind LexerStringFinisherContext.TripleQuote cont }

| '"' '"' '"' 'B'
{ let (buf, fin, _m, kind, args) = sargs
args.interpolationDelimiterLength <- 0
let cont = LexCont.Token(args.ifdefStack, args.stringNest)
fin.Finish buf { kind with IsByteString = true } LexerStringFinisherContext.TripleQuote cont }

| newline
{ let (buf, _fin, m, kind, args) = sargs
incrLine lexbuf
Expand Down
6 changes: 5 additions & 1 deletion tests/fsharp/Compiler/Conformance/BasicGrammarElements/BasicConstants.fs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,10 @@ module ``Basic Grammar Element Constants`` =

[<Fact>]
let ``Basic constants compile `` () =
let tripleQuotedByteString = " \"\"\" \" \"\"\"B "

CompilerAssert.Pass
"""
$"""
let sbyteConst = 1y
let int16Const = 1us
let int32Const = 1ul
Expand Down Expand Up @@ -42,6 +44,8 @@ let charConst = '1'
let stringConst = "1"
let bytestringConst = "1"B
let byteTripleQuotedStringConst = {tripleQuotedByteString}
let bytecharConst = '1'B
Expand Down
Loading