==== tests/cases/compiler/decrementAndIncrementOperators.ts (13 errors) ==== var x = 0; // errors 1 ++; ~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. (1)++; ~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. (1)--; ~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. ++(1); ~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. --(1); ~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. (1 + 2)++; ~~~~~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. (1 + 2)--; ~~~~~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. ++(1 + 2); ~~~~~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. --(1 + 2); ~~~~~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. (x + x)++; ~~~~~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. (x + x)--; ~~~~~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. ++(x + x); ~~~~~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. --(x + x); ~~~~~~~ !!! The operand of an increment or decrement operator must be a variable, property or indexer. //OK x++; x--; ++x; --x; (x)++; --(x); ((x))++; ((x))--; x[x++]++;