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"$foo ${bar} ${'$'} ${foobar()}"
"""
$foo ${bar}
${'$'} ${foobar()}
"""
----------------------------------------------------
[
["string", [
"\"",
["interpolation", "$foo"],
["interpolation", [
["delimiter", "${"], "bar", ["delimiter", "}"]
]],
["interpolation", [
["delimiter", "${"], ["string", "'$'"], ["delimiter", "}"]
]],
["interpolation", [
["delimiter", "${"],
["function", "foobar"], ["punctuation", "("], ["punctuation", ")"],
["delimiter", "}"]
]],
"\""
]],
["raw-string", [
"\"\"\"\r\n",
["interpolation", "$foo"],
["interpolation", [
["delimiter", "${"], "bar", ["delimiter", "}"]
]],
["interpolation", [
["delimiter", "${"], ["string", "'$'"], ["delimiter", "}"]
]],
["interpolation", [
["delimiter", "${"],
["function", "foobar"], ["punctuation", "("], ["punctuation", ")"],
["delimiter", "}"]
]],
"\r\n\"\"\""
]]
]
----------------------------------------------------
Checks for string interpolation.