External call basic semantic checks

flintrocks / flint

The Flint Programming Language for Smart Contracts

MIT License

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Closed ckamueller closed 5 years ago

ckamueller commented 5 years ago

Closes #115, and Closes #96 in combination with #113.

[x] Remove external calls from Statement
[x] Ensure call is not used outside do-catch
[x] Check matching return types for assignment assignment to call
[x] Ensure assignment to call? gives a not-implemented error - awaiting optional types

ckamueller commented 5 years ago

Replaced by #123