rust type_error ai_generated true

error[E0061]: this function takes N arguments but M were supplied

ID: rust/e0061-wrong-number-args

Also available as: JSON · Markdown
98%Fix Rate
95%Confidence
50Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
1 active — — —

Root Cause

Wrong number of function arguments. Check function signature.

generic

Workarounds

  1. 98% success Check the function signature and match the argument count 
    Check the function signature and match the argument count

    Sources: https://doc.rust-lang.org/error_codes/E0061.html

  2. 85% success If you need optional params, use Option<T> or a config struct 
    fn connect(host: &str, port: Option<u16>) { ... }

    Sources: https://doc.rust-lang.org/std/option/

Dead Ends

Common approaches that don't work:

  1. Add default parameter values 85% fail

    Rust doesn't have default parameters — use Option or builder pattern

  2. Use variadic arguments 90% fail

    Rust doesn't support variadic functions (except through macros)

Error Chain

Leads to:
Preceded by: