> For the complete documentation index, see [llms.txt](https://trizen.gitbook.io/perl6-rosettacode/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trizen.gitbook.io/perl6-rosettacode/programming_tasks/c/currying.md).

# Currying

All callable objects have an "assuming" method that can do partial application of either positional or named arguments. Here we curry the built-in subtraction operator.

```perl
my &negative = &infix:<->.assuming(0);
say negative 1;
```

#### Output:

```
-1
```