Struct

Fix E0317: Expected Named Type Error in Rust

Rust intermediate Linux macOS Windows WebAssembly Aug 5, 2026

Learn how to resolve Rust compiler error E0317 which occurs when the compiler expects a struct, enum variant, or union type but finds a different type.

Fix E0107: Non-field Struct, Tuple, or Enum Variant

Rust beginner Linux macOS Windows Aug 1, 2026

Learn how to resolve Rust compiler error E0107 when accessing non-existent fields or variants on structs, tuples, or enum types.

Fix E0076: This Function Is Not a Struct or Enum Constructor

Rust intermediate Linux macOS Windows Jul 26, 2026

Learn how to resolve Rust compiler error E0076 that occurs when attempting to use struct literal syntax on a function that is not a constructor.

Fix E0062: Expected field literal or dotdot in struct initialization

Rust beginner Linux macOS Windows WebAssembly Jul 18, 2026

Rust compiler error E0062 occurs when the struct update syntax (..) is followed by an invalid expression instead of a field name or another struct instance.

Fix E0640: Self-referential struct definition

Rust intermediate Linux macOS Windows WebAssembly Jul 15, 2026

Rust compiler error E0640 occurs when a struct definition contains a field that refers to the struct itself, which is not permitted because struct sizes must be known at compile time.

Fix E0638: Struct Initializer Field Count Mismatch

Rust beginner rustc Cargo Rust Playground Jul 7, 2026

Rust compiler error E0638 occurs when the number of values provided in a struct initializer expression does not match the number of fields defined in the struct type.

Fix E0528: Struct Initialization Field Count Mismatch

Rust beginner linux macos windows Jun 8, 2026

Rust compiler error E0528 occurs when the number of fields in a struct initializer does not match the struct definition.