StackSafe: Preventing Stack Overflow in Rust Recursive Functions
By
andylokandy
A good honest bake. Not flashy, but you'll finish the whole bagel.
Summary
StackSafe is a Rust crate that solves the stack overflow problem in recursive algorithms by automatically growing the stack. The article explains how recursive functions in Rust can crash programs due to stack limitations, and how StackSafe's #[stacksafe] attribute enables safe recursion without manual workarounds. It mentions real-world usage in production systems like ScopeDB for petabyte-scale observability data workloads.
Key quotes
· 5 pulledStackSafe solves this by automatically growing the stack in recursive functions and data structures.
Recursive algorithms in Rust can easily cause stack overflows that crash your program.
Just add #[stacksafe] and your code works without crashes.
StackSafe is being used in production by products like ScopeDB, where it helps trace and debug petabyte-scale observability data workloads.
Recursive algorithms are elegant and intuitive, but they come with a fundamental limitation: stack overflow.
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