NirModule = object code*: Tree man*: LineInfoManager types*: TypeGraph lit*: Literals namespace*: LitId intbits*: uint32 symnames*: SymNames
proc load(filename: string): NirModule {....raises: [IOError], tags: [ReadIOEffect], forbids: [].}
proc store(m: NirModule; outp: string) {....raises: [IOError], tags: [WriteIOEffect], forbids: [].}