diff options
Diffstat (limited to 'Doc/lib/libfuncs.tex')
| -rw-r--r-- | Doc/lib/libfuncs.tex | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex index ae4af6c..b9c03b7 100644 --- a/Doc/lib/libfuncs.tex +++ b/Doc/lib/libfuncs.tex @@ -312,6 +312,22 @@ module from which it is called). Equivalent to \code{eval(raw_input(\var{prompt}))}. \end{funcdesc} +\begin{funcdesc}{int}{x\optional{, radix}} + Convert a string or number to a plain integer. If the argument is a + string, it must contain a possibly signed decimal number + representable as a Python integer, possibly embedded in whitespace; + this behaves identical to \code{string.atoi(\var{x}\optional{, + \var{radix}})}. The \var{radix} parameter gives the base for the + conversion and may be any integer in the range $[2, 36]$. If + \var{radix} is specified and \var{x} is not a string, + \exception{TypeError} is raised. + Otherwise, the argument may be a plain or + long integer or a floating point number. Conversion of floating + point numbers to integers is defined by the C semantics; normally + the conversion truncates towards zero.\footnote{This is ugly --- the + language definition should require truncation towards zero.} +\end{funcdesc} + \begin{funcdesc}{intern}{string} Enter \var{string} in the table of ``interned'' strings and return the interned string -- which is \var{string} itself or a copy. @@ -325,18 +341,6 @@ module from which it is called). garbage collected). \end{funcdesc} -\begin{funcdesc}{int}{x} - Convert a string or number to a plain integer. If the argument is a - string, it must contain a possibly signed decimal number - representable as a Python integer, possibly embedded in whitespace; - this behaves identical to \code{string.atoi(\var{x})}. - Otherwise, the argument may be a plain or - long integer or a floating point number. Conversion of floating - point numbers to integers is defined by the C semantics; normally - the conversion truncates towards zero.\footnote{This is ugly --- the - language definition should require truncation towards zero.} -\end{funcdesc} - \begin{funcdesc}{isinstance}{object, class} Return true if the \var{object} argument is an instance of the \var{class} argument, or of a (direct or indirect) subclass thereof. |