Function inferTypeFromPrefixUnaryExpression

test/fixtures/snapshot/typescript.js:157080–157094

(node, usage)

                addCandidateType(usage, ts.isCallExpression(node) ? checker.getVoidType() : checker.getAnyType());
            }
            function inferTypeFromPrefixUnaryExpression(node, usage) {
                switch (node.operator) {
                    case 45 /* SyntaxKind.PlusPlusToken */:
                    case 46 /* SyntaxKind.MinusMinusToken */:
                    case 40 /* SyntaxKind.MinusToken */:
                    case 54 /* SyntaxKind.TildeToken */:
                        usage.isNumber = true;
                        break;
                    case 39 /* SyntaxKind.PlusToken */:
                        usage.isNumberOrString = true;
                        break;
                    // case SyntaxKind.ExclamationToken:
                    // no inferences here;
                }
            }
            function inferTypeFromBinaryExpression(node, parent, usage) {
                switch (parent.operatorToken.kind) {
                    // ExponentiationOperator