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Diffstat (limited to 'std/default/format.pk')
-rw-r--r-- | std/default/format.pk | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/std/default/format.pk b/std/default/format.pk deleted file mode 100644 index b117632..0000000 --- a/std/default/format.pk +++ /dev/null @@ -1,52 +0,0 @@ -## std/format: Niceties around printing and debugging. -## This module is imported by default. - -## The Display interface. Any type implementing `str` is printable. -## Any type that is Display must also implement Debug. -pub type Display = interface - str(Self): str - dbg(Self): str - -## The Debug interface. Broadly implemented for every type with compiler magic. -## Types can (and should) override the generic implementations. -pub type Debug = interface - dbg(Self): str - -## Prints all of its arguments to the command line. -pub func print(params: varargs[Display]) = - stdout.write(params.map(x => x.str).join(" "), "\n") - -## Prints all of its arguments to the command line, in Debug form. -## Note: this function is special! does not count as a side effect -pub func dbg(params: varargs[Debug]) = - stdout.write(params.map(x => x.dbg).join(" "), "\n") - -## A dummy implementation of the Display interface for strings. -pub func str(self: str): str = self -## An implementation of the Debug interface for strings. -pub func dbg(self: str): str = "\"" & self & "\"" - -## An implementation of the Debug interface for all structs. -## Uses the special `struct` typeclass. -pub func dbg(self: struct): str = - "{" & self.fields.map(field => field.id & field.value.dbg) & "}" - -## An implementation of the Debug interface for all tuples. -## Uses the special `tuple` typeclass. -pub func dbg(self: tuple): str = - result &= "(" - for i, field in self.fields.enumerate(): - result &= field.id.map(id => id & " = ").get_or("") - if i != self.fields.len: - result &= ", " - result &= ")" - -## An implementation of the Debug interface for all arrays and lists. -pub func dbg(self: Iter[Debug]): str = - "[" & self.map(x => x.str).join(", ") & "]" - -## The fmt macro. Builds a formatted string from its arguments. -pub macro fmt(formatted: static[str], args: varargs[Display]) = - # if not formatted of String: - # macro_error("fmt must take a static string parameter!") - ... |