Fix Go type mismatch errors by explicitly casting values or using type assertions to match the expected type.
The "cannot use X (type Y) as type Z" error occurs because Go is a statically typed language and does not allow implicit conversion between incompatible types. You must explicitly convert the value to the target type using a type assertion or a cast.
// If X is an interface holding Y, assert it to Z
val, ok := X.(Z)
// If X and Z are basic types, cast explicitly
val := Z(X)
Go requires you to be explicit about data types to prevent accidental errors. This error means you are trying to use a value in a way that doesn't match its definition, like trying to put a square peg in a round hole. You need to tell Go exactly how to change the value's shape before using it.