diff options
| -rw-r--r-- | lib/pure/ropes.nim | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/pure/ropes.nim b/lib/pure/ropes.nim index 6e97237e0..5b8d43d71 100644 --- a/lib/pure/ropes.nim +++ b/lib/pure/ropes.nim @@ -17,6 +17,7 @@ ## runtime efficiency. include "system/inclrtl" +import streams {.deadCodeElim: on.} @@ -130,7 +131,7 @@ proc insertInCache(s: string, tree: Rope): Rope = result.left = t t.right = nil -proc rope*(s: string): Rope {.rtl, extern: "nro$1Str".} = +proc rope*(s: string = nil): Rope {.rtl, extern: "nro$1Str".} = ## Converts a string to a rope. if s.len == 0: result = nil @@ -242,10 +243,13 @@ proc write*(f: File, r: Rope) {.rtl, extern: "nro$1".} = ## writes a rope to a file. for s in leaves(r): write(f, s) +proc write*(s: Stream, r: Rope) {.rtl, extern: "nro$1".} = + ## writes a rope to a stream. + for rs in leaves(r): write(s, rs) + proc `$`*(r: Rope): string {.rtl, extern: "nroToString".}= ## converts a rope back to a string. - result = newString(r.len) - setLen(result, 0) + result = newStringOfCap(r.len) for s in leaves(r): add(result, s) when false: |