diff options
| -rw-r--r-- | lib/pure/streams.nim | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/lib/pure/streams.nim b/lib/pure/streams.nim index 83c8c71ec..f1a6a6aeb 100644 --- a/lib/pure/streams.nim +++ b/lib/pure/streams.nim @@ -412,7 +412,11 @@ proc peekChar*(s: Stream): char = if peekData(s, addr(result), sizeof(result)) != 1: result = '\0' proc readBool*(s: Stream): bool = - ## Reads a bool from the stream `s`. Raises `IOError` if an error occurred. + ## Reads a bool from the stream `s`. + ## + ## A bool is one byte long and it is `true` for every non-zero + ## (`0000_0000`) value. + ## Raises `IOError` if an error occurred. runnableExamples: var strm = newStringStream() ## setup for reading data @@ -426,10 +430,16 @@ proc readBool*(s: Stream): bool = doAssertRaises(IOError): discard strm.readBool() strm.close() - read(s, result) + var t: byte + read(s, t) + result = t != 0.byte proc peekBool*(s: Stream): bool = - ## Peeks a bool from the stream `s`. Raises `IOError` if an error occurred. + ## Peeks a bool from the stream `s`. + ## + ## A bool is one byte long and it is `true` for every non-zero + ## (`0000_0000`) value. + ## Raises `IOError` if an error occurred. runnableExamples: var strm = newStringStream() ## setup for reading data @@ -445,7 +455,9 @@ proc peekBool*(s: Stream): bool = doAssert strm.peekBool() == false strm.close() - peek(s, result) + var t: byte + peek(s, t) + result = t != 0.byte proc readInt8*(s: Stream): int8 = ## Reads an int8 from the stream `s`. Raises `IOError` if an error occurred. |