fix not flushing stdout in MSYS (#19584)

discussed here https://forum.nim-lang.org/t/8975
nim-lang · Mar 6, 2022 · ec9e51a · ec9e51a
1 parent b8f1347
commit ec9e51a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/impure/rdstdin.nim b/lib/impure/rdstdin.nim
@@ -27,6 +27,7 @@ when defined(windows):
                           tags: [ReadIOEffect, WriteIOEffect].} =
     ## Reads a line from stdin.
     stdout.write(prompt)
+    stdout.flushFile()
     result = readLine(stdin)
 
   proc readLineFromStdin*(prompt: string, line: var string): bool {.