Credits to pumpkinhead for the original scripts. I just translated it into a snap extension. A library for building scripts within scripts, if you want to do that. See insidedata:image/png;base64,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 to pumpkinhead for the original scripts. I just translated it into a snap extension. A library for building scripts within scripts, if you want to do that. See insideCreates a copy of the input

Puts a block/value inside a specified input of another block.

Puts the blocks in the first script at the end of the second script.

Puts an expression/value inside the first empty slot of another command/expression.

RingMorph.children[0].children is empty InputSlotMorph.children[0.text == "" BooleanSlotMorph.value == null CSlotMorph.children is emptyGets the block/value at the nth slot of a block.

Reports a list of the blocks in a stack

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QaAQFu3K0SIECAwLiAAI8fgOcTIECAQCMgwI27VQIECBAYFxDg8QPwfAIECBBoBAS4cbdKgAABAuMCAjx+AJ5PgAABAo2AADfuVgkQIEBgXECAxw/A8wkQIECgERDgxt0qAQIECIwLCPD4AXg+AQIECDQCAty4WyVAgACBcQEBHj8AzydAgACBRkCAG3erBAgQIDAuIMDjB+D5BAgQINAICHDjbpUAAQIExgUEePwAPJ8AAQIEGgEBbtytEiBAgMC4gACPH4DnEyBAgEAjIMCNu1UCBAgQGBcQ4PED8HwCBAgQaAQEuHG3SoAAAQLjAgI8fgCeT4AAAQKNgAA37lYJECBAYFxAgMcPwPMJECBAoBEQ4MbdKgECBAiMC/wAQkkSaTqmavQAAAAASUVORK5CYII=124112true