Apply TypeScript template literal types to build type-safe routers, SQL builders, code generators, and string parsers like the ones that power Hono, Drizzle, and tRPC.
## CONTEXT
Template literal types, introduced in TypeScript 4.1, transformed the type system from a structural verifier into a string-level pattern-matching engine. Hono's `app.get("/users/:id", handler)` infers a typed `c.req.param("id"): string` because the route string is parsed at the type level into a record of…Premium Prompt
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