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Error code E0559

An unknown field was specified into an enum's structure variant.

Erroneous code example:

#![allow(unused)] fn main() { enum Field { Fool { x: u32 }, } let s = Field::Fool { joke: 0 }; // error: struct variant `Field::Fool` has no field named `joke` }

Verify you didn't misspell the field's name or that the field exists. Example:

#![allow(unused)] fn main() { enum Field { Fool { joke: u32 }, } let s = Field::Fool { joke: 0 }; // ok! }