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-rw-r--r--src/io.js9
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diff --git a/src/io.js b/src/io.js
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+import * as state from "./state.js"
+
+export const read = st => s => s(st)(st.read())
+export const write = ch => st => s => s(st)(st.write(ch))
+
+export const unit = state.unit
+export const bind = state.bind
+
+export const DO = state.DO