Rust Platform

🎯 In Python, __str__ controls what users see when they print an object:

class Fraction: def __init__(self, num, den): self.num, self.den = num, den def __str__(self): return f"{self.num}/{self.den}" print(Fraction(3, 4)) # 3/4

And __repr__ is for developers — what you see in the REPL or in debug output. Many Python developers conflate the two or only implement one.

Rust makes this separation explicit with two traits: