Macro app_sync_api_name 

app_sync_api_name!() { /* proc-macro */ }

Creates a validated AppSyncApiName wrapper for AppSync Api names at compile time.

This macro ensures that the input string is a valid name for AppSync Apis, following AWS naming conventions and character restrictions.

Validation Rules

• String must not be empty
• Only alphanumeric characters, and the following special characters are allowed: _, - and whitespace
• Max length 50 characters