with-open

(with-open [name init ...] body...)

Binds each value around the body and closes each in reverse order on every exit, through unwind-protect. A stream value (such as a clojure.java.io/reader) closes through close directly; anything else closes through the close method, so a Java closeable works where host objects exist (the interpreter and the JVM -- wasm rejects java:, like all interop).