1$$: ignored 2$$tail: ignored 3 4$$ans: &ans 42 5$$eu: &eu 2.72 6$$pi: &pi 3.14 7 8opt: 9 bool: true 10 int: *ans 11 real: *pi 12 imag: 2.72i 13 cmplx: -3.14+2.72i 14 str: petsc 15 16$$1: &seq-bool [true, false] 17$$2: &seq-int [123, 456, 789] 18$$3: &seq-real [*pi, *eu] 19$$4: &seq-str [abc, ijk, fgh] 20 21seq1: { 22 bool: *seq-bool, 23 int: *seq-int, 24 real: *seq-real, 25 str: *seq-str, 26} 27 28seq2: 29 bool: 30 - true 31 - false 32 int: 33 - 123 34 - 456 35 - 789 36 real: 37 - *pi 38 - *eu 39 str: 40 - rst 41 - uvw 42 - xyz 43 44map: 45 - key0: 0 46 - key1: 1 47 - key2: 2 48 - $$: ignored 49 - $$tail: ignored 50