Swallowtail butterfly passed in a pupal diapause stage. As swallowtail butterflies are large, colorful, and attractive, they were once targeted by butterfly collectors. The largest of these, the birdwing butterflies are particularly sought after and are cultured in butterfly farms for the purpose of collectors. Many members of the family feed as larvae on plants of the citrus family, Rutaceae. Some of these attractive butterflies are therefore considered pests in citrus orchards. The Oregon swallowtail is the state insect of Oregon. The eastern tiger swallowtail is the state insect of Virginia and the state butterfly of Georgia, Delaware, and South Carolina. The
Comma operator Comma operator In the C and C++ programming languages, the comma operator (represented by the token codice_1) is a binary operator that evaluates its first operand and discards the result, and then evaluates the second operand and returns this value (and type). The use of the comma token as an is distinct from its use in function calls and definitions, variable declarations, enum declarations, and similar constructs, where it acts as a . The comma operator separates "expressions" (which have value) in a way analogous to how the semicolon terminates "statements," and sequences of expressions are enclosed in parentheses analogously