Load populates a struct's fields with values from environment variables.

WithDefaultTag sets the struct tag used for specifying default values.

WithEnv sets a custom function for looking up environment variables.

WithEnvTag sets the struct tag used to completely override the environment variable name for a field.

WithNameTag sets the struct tag used to override a field's name in the environment variable path.

WithPrefix sets a prefix that will be prepended to all environment variable names.

WithTypeHandler registers a custom type conversion function for a specific type T.

ConfigLoadError represents the errors that occurred during config loading.

FieldError represents an error that occurred while processing a specific field.

MissingEnvError represents an error when a required environment variable is not found.

UnsupportedTypeError represents an error when trying to process a field with an unsupported type.