| //! Basic code formatting tools. |
| //! |
| //! We don't need perfect formatting for the generated tests, but simple indentation can make |
| //! debugging a lot easier. |
| |
| #[derive(Copy, Clone, Debug)] |
| pub struct Indentation(u32); |
| |
| impl std::default::Default for Indentation { |
| fn default() -> Self { |
| Self(0) |
| } |
| } |
| |
| impl Indentation { |
| pub fn nested(self) -> Self { |
| Self(self.0 + 1) |
| } |
| } |
| |
| impl std::fmt::Display for Indentation { |
| fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { |
| for _ in 0..self.0 { |
| write!(f, " ")?; |
| } |
| Ok(()) |
| } |
| } |
