Which syntax to use for field access?
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See also fields_data.txt for definition syntax.

    # Plain syntax, but also ambiguous to the reader
    field
    # Long syntax with object always specified.
    # Python does this (except it's called "self")
    this.field
    # Use some short identifier for `this`
    _.field
    t.field
    o.field
    # Use some special symbol for `this`
    <>.field
    *.field
    /.field
    -.field
    :.field
    ().field
    ~.field
    'field
    # Various sigills (not very intuitive)
    $field
    @field
    %field
    :field
    # Various strange syntaxes:
    (field)
    <field>
    ..field
    # Prefix keyword
    set field = value
    localvar = get field
    # With dot but without object (could be confused with typescopes)
    .field = value
    localvar = .field
    # Naming convention (could be enforced by compiler)
    # But it is redundant when the object is specified: obj.m_field
    m_field = value
    localvar = m_field
    # Or prefix the local variables
    # (this would lead to names like `_i`)
    field = _value
    _localvar = field
    # Uppercase field names (would conflict with enum values, though)
    # Also, it's perhaps a bit too visually similar to declarations
    Field = value
    localvar = Field
    # Require an uppercase letter(!) within fields
    theField = value
    localvar = theField
    # Require an underscore(!) within fields.
    # And forbid _ in function parameters and local variables.
    # (It looks quite nice actually)
    # But it would prevent simple names like `x`, `y`, `left`, `enabled`,
    # `length`, `count`, `name`, etc.
    the_field = value
    localvar = the_field
    # Require absense of uppercase letter / underscore
    # (but then variable names like `i` would not work)
    field = theValue
    localVar = field