Chao Sun created ARROW-3665:
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Summary: Implement StructArrayBuilder
Key: ARROW-3665
URL: https://issues.apache.org/jira/browse/ARROW-3665
Project: Apache Arrow
Issue Type: Sub-task
Components: Rust
Reporter: Chao Sun-- This message was sent by Atlassian JIRA (v7.6.3#76005)
