`UnaryOperation` expression type missing from type definitions

[naddison36]

See line 104 of IDEX's Exchange contract verified on Etherscan https://etherscan.io/address/0x2a0c0DBEcC7E4D658f48E01e3fA353F44050c208#code

if (!Token(token).transferFrom(msg.sender, this, amount)) throw;

This has an expression type of UnaryOperation

[yxliang01]

Yes. This is confirmed. Example UnaryOperation formation is at

solidity-parser-antlr/test/ast.js

Line 699 in 918b742

assert.deepEqual(expr, {

.