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//! Assert macros for comparing functions.
//!
//! These macros help compare functions that return anything.
//! The macros call the functions, then compare the return values.
//!
//! Compare a function with another function:
//!
//! * [`assert_fn_eq!(function1, function2)`](macro@crate::assert_fn_eq) ≈ function1() = function2()
//!
//! * [`assert_fn_ne!(function1, function2)`](macro@crate::assert_fn_ne) ≈ function1() ≠ function2()
//!
//! * [`assert_fn_ge!(function1, function2)`](macro@crate::assert_fn_ge) ≈ function1() ≥ function2()
//!
//! * [`assert_fn_gt!(function1, function2)`](macro@crate::assert_fn_gt) ≈ function1() > function2()
//!
//! * [`assert_fn_le!(function1, function2)`](macro@crate::assert_fn_le) ≈ function1() ≤ function2()
//!
//! * [`assert_fn_lt!(function1, function2)`](macro@crate::assert_fn_lt) ≈ function1() < function2()
//!
//! Compare a function with an expression:
//!
//! * [`assert_fn_eq_expr!(function, expr)`](macro@crate::assert_fn_eq_expr) ≈ function() = expr
//!
//! * [`assert_fn_ne_expr!(function, expr)`](macro@crate::assert_fn_ne_expr) ≈ function() ≠ expr
//!
//! * [`assert_fn_ge_expr!(function, expr)`](macro@crate::assert_fn_ge_expr) ≈ function() ≥ expr
//!
//! * [`assert_fn_gt_expr!(function, expr)`](macro@crate::assert_fn_gt_expr) ≈ function() > expr
//!
//! * [`assert_fn_le_expr!(function, expr)`](macro@crate::assert_fn_le_expr) ≈ function() ≤ expr
//!
//! * [`assert_fn_lt_expr!(function, expr)`](macro@crate::assert_fn_lt_expr) ≈ function() < expr
//!
//!
//! # Example
//!
//! ```rust
//! # #[macro_use] extern crate assertables;
//! # fn main() {
//! let a: i8 = -1;
//! let b: i8 = 1;
//! assert_fn_eq!(i8::abs, a, i8::abs, b);
//! # }
//! ```

// Comparisons
pub mod assert_fn_eq;
pub mod assert_fn_ne;
pub mod assert_fn_lt;
pub mod assert_fn_le;
pub mod assert_fn_gt;
pub mod assert_fn_ge;

// Comparisons with expressions
pub mod assert_fn_eq_expr;
pub mod assert_fn_ne_expr;
pub mod assert_fn_ge_expr;
pub mod assert_fn_gt_expr;
pub mod assert_fn_le_expr;
pub mod assert_fn_lt_expr;