@ ProgramNode (location: (1,0)-(3,25))
├── locals: []
└── statements:
    @ StatementsNode (location: (1,0)-(3,25))
    └── body: (length: 2)
        ├── @ DefNode (location: (1,0)-(1,20))
        │   ├── name: :m
        │   ├── name_loc: (1,4)-(1,5) = "m"
        │   ├── receiver: ∅
        │   ├── parameters: ∅
        │   ├── body:
        │   │   @ StatementsNode (location: (1,10)-(1,20))
        │   │   └── body: (length: 1)
        │   │       └── @ RescueModifierNode (location: (1,10)-(1,20))
        │   │           ├── expression:
        │   │           │   @ IntegerNode (location: (1,10)-(1,11))
        │   │           │   ├── flags: decimal
        │   │           │   └── value: 1
        │   │           ├── keyword_loc: (1,12)-(1,18) = "rescue"
        │   │           └── rescue_expression:
        │   │               @ IntegerNode (location: (1,19)-(1,20))
        │   │               ├── flags: decimal
        │   │               └── value: 2
        │   ├── locals: []
        │   ├── def_keyword_loc: (1,0)-(1,3) = "def"
        │   ├── operator_loc: ∅
        │   ├── lparen_loc: (1,5)-(1,6) = "("
        │   ├── rparen_loc: (1,6)-(1,7) = ")"
        │   ├── equal_loc: (1,8)-(1,9) = "="
        │   └── end_keyword_loc: ∅
        └── @ DefNode (location: (3,0)-(3,25))
            ├── name: :m
            ├── name_loc: (3,9)-(3,10) = "m"
            ├── receiver:
            │   @ SelfNode (location: (3,4)-(3,8))
            ├── parameters: ∅
            ├── body:
            │   @ StatementsNode (location: (3,15)-(3,25))
            │   └── body: (length: 1)
            │       └── @ RescueModifierNode (location: (3,15)-(3,25))
            │           ├── expression:
            │           │   @ IntegerNode (location: (3,15)-(3,16))
            │           │   ├── flags: decimal
            │           │   └── value: 1
            │           ├── keyword_loc: (3,17)-(3,23) = "rescue"
            │           └── rescue_expression:
            │               @ IntegerNode (location: (3,24)-(3,25))
            │               ├── flags: decimal
            │               └── value: 2
            ├── locals: []
            ├── def_keyword_loc: (3,0)-(3,3) = "def"
            ├── operator_loc: (3,8)-(3,9) = "."
            ├── lparen_loc: (3,10)-(3,11) = "("
            ├── rparen_loc: (3,11)-(3,12) = ")"
            ├── equal_loc: (3,13)-(3,14) = "="
            └── end_keyword_loc: ∅