feat: partial_function - Return a new partial object which when called will behave like func called with the positional arguments args and keyword arguments keywords

Author: DahlitzFlorian

ebook/chapters/third_party_chapters/timing.tex

@@ -55,3 +55,7 @@ \subsection{range VS repeat}
 "Range" spend time: 0.01480103
 "Repeat" spend time: 0.01320004
 \end{lstlisting}
+
+If you want to avoid passing the \lstinline{None} argument, you can create a new function called \lstinline{times}, which hides the \lstinline{None} argument.
+
+\lstinputlisting[caption=partial\_function.py]{../standard_lib/partial_function.py}

ebook/python-snippets.epub

@@ -39,6 +39,7 @@ A collection of useful snippets using only the standard library.
 | open_browser_tab | Opens a new tab in a specified browser (and more) |
 | overwrite_dictionary | PEP 448 - overwriting dictionary of default values |
 | parse_query_string | Parse a query string |
+| partial_function | Return a new partial object which when called will behave like func called with the positional arguments args and keyword arguments keywords |
 | pass_multiple_dicts | Unpack multiple dicts and pass them as keyword args to a function |
 | pathlib_relpath | `pathlib.Path` implementation of `os.relpath` (should never be used) |
 | port_scanner | Simple port scanner implementation using built-in packages |

ebook/python-snippets.mobi

@@ -0,0 +1,5 @@
+from functools import partial
+from itertools import repeat
+
+times = partial(repeat, None)
+min(random.random() for _ in times(100_000))