Swift Name Mangling
Swift’s name mangling is somewhat different from C++’s. Swift uses an encoding clearly based on the C++ scheme in principle, but containing considerably more information and expressing concepts only available in a more mature type system.
[…]
Swift will have generated over 100 more symbols, but this is the complex mangled name we’ll tear apart:
__TFCCC4test1a1b1c1dfS2_FTS0_1xS1_1vFT1xSi_Si_OVS_1e1f