odata-compile.ts

const compileOdata = (e: Expr): string => {
  if (e.kind == 'acs') return e.id.toString()
  if (e.kind == '==') return `${compileOdata(e.left)} eq ${compileOdata(e.right)}`
  if (e.kind == 'includes') return `substringof( ${compileOdata(e.right)}, ${compileOdata(e.left)})`
  if (e.kind == '&&') return `${compileOdata(e.left)} and ${compileOdata(e.right)}`
  if (e.kind == 'val') return typeof e.value == 'string' ? `'${e.value}'` : e.value
}